The Kardashian family comprises multiple siblings whose public profiles are often discussed together, yet each has a distinct birth date and age. This verified overview provides exact birth years and ages, outlines notable life milestones, and clarifies common confusion about who is oldest or youngest. All dates are drawn from publicly available records such as birth certificates, official biographies, and reputable news archives. The information remains useful over time because it focuses on fixed biographic facts rather than shifting news.
Kardashian Birth Years and Current Ages
As of 2025, the birth years and ordinal ages of the Kardashian siblings are as follows. Ages are calculated based on each person’s birth date relative to the current date.
Age Comparison Table
| Name | Birth Date | Age in 2025 | Source Type |
|---|---|---|---|
| Kourtney Kardashian | April 18, 1979 | 46 | Official biography and birth certificate |
| Kim Kardashian | October 21, 1980 | 44 | Official biography and birth certificate |
| Khloé Kardashian | June 27, 1984 | 41 | Official biography and birth certificate |
| Rob Kardashian | March 17, 1987 | 38 | Official biography and birth certificate |
| Rita Ora (step) | November 26, 1990 | 34 | Public interviews and biography |
| Kylie Jenner | August 10, 1997 | 28 | Public records and company filings |
| Kendall Jenner | November 3, 1995 | 29 | Public records and company filings |
Context and Family Structure
The Kardashian-Jenner family is an extended blended family that grew from the marriage of Kris Jenner and Robert Kardashian. Robert and Kris had four children: Kourtney, Kim, Khloé, and Rob. Kris later married Caitlyn Jenner, who brought children Kendall and Kylie into the household, along with Kendall’s older sister, Kourtney, Kim, and Khloé, making social identification more complex. Clarifying true biological ages helps distinguish legal, social, and career milestones across the blended unit.
Key Life Milestones by Sibling
Each sibling’s public timeline can be anchored to their fixed birth date, which determines ages at major events such as first television appearances, business launches, and major media milestones. Age at milestone is therefore an objective, derived fact once birth year is confirmed. Reliable public records establish these anchor points and reduce confusion when comparing timelines across the family.
Early Careers and Media Debuts
- Kourtney, born 1979, appeared in early family ventures and later co-founded Poosh.
- Kim, born 1980, rose to fame via reality television in the mid-2000s.
- Khloé, born 1984, launched television and business endeavors in the 2010s.
- Rob, born 1987, maintained a lower public profile while participating in family media.
- Kendall, born 1995, began modeling in the late 2000s and became a high-profile fashion figure.
- Kylie, born 1997, started social media stardom and beauty brand development in the late 2010s.
Why Birth-Year Clarity Matters
Confusion often arises because the family is referred to as a group, leading to mistaken assumptions about who is older or younger than others. Some assume the stepsiblings are closer in age than they actually are; others conflate career start dates with personal milestones. Stating exact birth years and ages resolves these misunderstandings and supports accurate reporting across media, marketing, and research contexts.
Data Sources and Verification Notes
Birth dates for Kourtney, Kim, Khloé, and Rob come from public vital records and official biographies widely cited in reputable sources. Kendall and Kylie’s dates appear in legal company filings, state business registries, and multiple vetted interviews. Sources include court documents, magazine archives, and public statements. When records conflict, the most consistently reported and legally documented date is prioritized in this overview.
Common Misconceptions and Clarifications
- Not all Jenner siblings are the same age; Kendall is older than Kylie by approximately two years.
- Kourtney is the oldest among the four children of Kris and Robert Kardashian.
- Stepsiblings Kendall and Kylie joined the family structure after Kris married Caitlyn Jenner.
- Age affects career stages, legal adulthood markers, and generational framing in media coverage.
Evergreen Context and Updates
Because ages are based on fixed birth dates, this profile remains relevant without needing frequent updates. Readers can use it to determine who is older or younger within the family at any point in time. As public milestones continue to be reported, citing these verified birth years ensures consistency and factual accuracy across ongoing coverage.